Abstract: Based on the data of the second national pollution source survey of hazardous waste in Yunnan Province,the pollution production coefficient of lead-zinc smelting dust in the 《Manual of Coefficient of Generation and Emission of Hazardous Heavy Metal Wastes of Lead and Zinc Industry in Yunnan Province》 was verified using both positive validation and backward validation method,which is beneficial to improve the quality control means of hazardous waste declaration and registration data in Yunnan Province. The result would be reference for the future work.